(plural fire dampers)
- a passive fire protection product used in heating, ventilation, and air conditioning ducts
- a damper which closes off an air duct automatically in the event of fire so as to restrict the passage of fire and smoke
- (historical, archaic, mining) a mine worker who detects and clears a mine shaft of firedamp by intentionally burning or blowing it up
- Jack is a former fire damper who is injured in an explosion.